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Mathematics, 17.02.2021 18:30 mutesheep

1. Yared and Luke are wrapping presents. Yared is able to wrap presents at a constant rate of 3 presents every 15 min. Luke is able to wrap presents at a constant rate of 5 presents every 20 min. Each boy has 20 presents to wrap, and the boys started wrapping presents at the same time. (a) How many presents will Yared still need to finish wrapping when Luke has finished wrapping all 20 of his presents? Explain.
(b) What percent of his presents will Yared still need to wrap when Luke has finished wrapping presents? Explain.
(Can someone please explain this to me)

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